Granted Patent
Utility
US 4,545,708 · App. 06/423,493
Method for producing crowned tooth flanks on a toothed workpiece, and a machine suited therefor
Inventors:
Karl Buschhoff, Heinrich Fischer
Patented Case
View Patent ↗
Granted: Oct 8, 1985
Filed: Sep 24, 1982
Inventors
Karl Buschhoff
Heinrich Fischer
Assignee (at issue)
Carl Hurth Maschinen- und Zahnradfabrik GmbH & Co.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.